mmc: add mmc_get_dma_dir() helper
Copied from Linux kernel.
include/linux/mmc/host.h
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/include/mmc.h b/include/mmc.h
index b5cb514..71e2e17 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -12,6 +12,7 @@
#include <linux/list.h>
#include <linux/sizes.h>
#include <linux/compiler.h>
+#include <linux/dma-direction.h>
#include <part.h>
#if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT)
@@ -880,4 +881,9 @@
*/
struct blk_desc *mmc_get_blk_desc(struct mmc *mmc);
+static inline enum dma_data_direction mmc_get_dma_dir(struct mmc_data *data)
+{
+ return data->flags & MMC_DATA_WRITE ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
+}
+
#endif /* _MMC_H_ */